X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=Kconfig;h=e0744d142c77e1d0eabd2aa197514513906212fd;hb=214fb19bcce3bca0cb6d986984f609703cb5516f;hp=9af31e3e77a2e36e7b0cd72384b6d4081c132a54;hpb=307367eaffc8638e10ba1784fc66bfe623ae79e2;p=u-boot diff --git a/Kconfig b/Kconfig index 9af31e3e77..e0744d142c 100644 --- a/Kconfig +++ b/Kconfig @@ -1,6 +1,7 @@ # # For a description of the syntax of this configuration file, -# see Documentation/kbuild/kconfig-language.txt. +# see the file Documentation/kbuild/kconfig-language.txt in the +# Linux kernel source tree. # mainmenu "U-Boot $UBOOTVERSION Configuration" @@ -8,18 +9,16 @@ config UBOOTVERSION string option env="UBOOTVERSION" -config KCONFIG_OBJDIR - string - option env="KCONFIG_OBJDIR" +# Allow defaults in arch-specific code to override any given here +source "arch/Kconfig" menu "General setup" config LOCALVERSION string "Local version - append to U-Boot release" - depends on !SPL_BUILD help Append an extra string to the end of your U-Boot version. - This will show up on your boot log, for example. + This will show up in your boot log, for example. The string you set here will be appended after the contents of any files with a filename matching localversion* in your object and source tree, in that order. Your total string can @@ -27,15 +26,14 @@ config LOCALVERSION config LOCALVERSION_AUTO bool "Automatically append version information to the version string" - depends on !SPL_BUILD default y help This will try to automatically determine if the current tree is a - release tree by looking for git tags that belong to the current + release tree by looking for Git tags that belong to the current top of tree revision. A string of the format -gxxxxxxxx will be added to the localversion - if a git-based tree is found. The string generated by this will be + if a Git-based tree is found. The string generated by this will be appended after any matching localversion* files, and after the value set in CONFIG_LOCALVERSION. @@ -48,7 +46,6 @@ config LOCALVERSION_AUTO config CC_OPTIMIZE_FOR_SIZE bool "Optimize for size" - depends on !SPL_BUILD default y help Enabling this option will pass "-Os" instead of "-O2" to gcc @@ -56,77 +53,225 @@ config CC_OPTIMIZE_FOR_SIZE This option is enabled by default for U-Boot. -menuconfig EXPERT - bool "Configure standard U-Boot features (expert users)" - help - This option allows certain base U-Boot options and settings - to be disabled or tweaked. This is for specialized - environments which can tolerate a "non-standard" U-Boot. - Only use this if you really know what you are doing. - -endmenu # General setup +config DISTRO_DEFAULTS + bool "Select defaults suitable for booting general purpose Linux distributions" + default y if ARCH_SUNXI || TEGRA + default y if ARCH_LS2080A + default y if ARCH_MESON + default y if ARCH_ROCKCHIP + default n + select CMD_BOOTZ if ARM && !ARM64 + select CMD_BOOTI if ARM64 + select CMD_DHCP + select CMD_PXE + select CMD_EXT2 + select CMD_EXT4 + select CMD_FAT + select CMD_FS_GENERIC + select CMD_MII + select CMD_PING + select CMD_PART + select HUSH_PARSER + help + Select this to enable various options and commands which are suitable + for building u-boot for booting general purpose Linux distributions. -menu "Boot images" +config SYS_MALLOC_F + bool "Enable malloc() pool before relocation" + default y if DM + help + Before relocation, memory is very limited on many platforms. Still, + we can provide a small malloc() pool if needed. Driver model in + particular needs this to operate, so that it can allocate the + initial serial device and any others that are needed. + +config SYS_MALLOC_F_LEN + hex "Size of malloc() pool before relocation" + depends on SYS_MALLOC_F + default 0x400 + help + Before relocation, memory is very limited on many platforms. Still, + we can provide a small malloc() pool if needed. Driver model in + particular needs this to operate, so that it can allocate the + initial serial device and any others that are needed. -config SPL_BUILD - bool - depends on $KCONFIG_OBJDIR="spl" || $KCONFIG_OBJDIR="tpl" +menuconfig EXPERT + bool "Configure standard U-Boot features (expert users)" default y - -config TPL_BUILD - bool - depends on $KCONFIG_OBJDIR="tpl" + help + This option allows certain base U-Boot options and settings + to be disabled or tweaked. This is for specialized + environments which can tolerate a "non-standard" U-Boot. + Use this only if you really know what you are doing. + +if EXPERT + config SYS_MALLOC_CLEAR_ON_INIT + bool "Init with zeros the memory reserved for malloc (slow)" default y + help + This setting is enabled by default. The reserved malloc + memory is initialized with zeros, so first malloc calls + will return the pointer to the zeroed memory. But this + slows the boot time. + + It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN + value, has more than few MiB, e.g. when uses bzip2 or bmp logo. + Then the boot time can be significantly reduced. + Warning: + When disabling this, please check if malloc calls, maybe + should be replaced by calloc - if one expects zeroed memory. + +config TOOLS_DEBUG + bool "Enable debug information for tools" + help + Enable generation of debug information for tools such as mkimage. + This can be used for debugging purposes. With debug information + it is possible to set breakpoints on particular lines, single-step + debug through the source code, etc. -config SUPPORT_SPL - bool - -config SUPPORT_TPL - bool +endif # EXPERT -config SPL - bool - depends on SUPPORT_SPL - prompt "Enable SPL" if !SPL_BUILD - default y if SPL_BUILD +config PHYS_64BIT + bool "64bit physical address support" help - If you want to build SPL as well as the normal image, say Y. + Say Y here to support 64bit physical memory address. + This can be used not only for 64bit SoCs, but also for + large physical address extention on 32bit SoCs. -config TPL - bool - depends on SPL && SUPPORT_TPL - prompt "Enable TPL" if !SPL_BUILD - default y if TPL_BUILD - default n - help - If you want to build TPL as well as the normal image and SPL, say Y. +endmenu # General setup + +menu "Boot images" config FIT bool "Support Flattened Image Tree" - depends on !SPL_BUILD + select MD5 help - This option allows to boot the new uImage structrure, + This option allows you to boot the new uImage structure, Flattened Image Tree. FIT is formally a FDT, which can include images of various types (kernel, FDT blob, ramdisk, etc.) in a single blob. To boot this new uImage structure, - pass the the address of the blob to the "bootm" command. + pass the address of the blob to the "bootm" command. + FIT is very flexible, supporting compression, multiple images, + multiple configurations, verification through hashing and also + verified boot (secure boot using RSA). -config FIT_VERBOSE - bool "Display verbose messages on FIT boot" - depends on FIT +if FIT config FIT_SIGNATURE bool "Enable signature verification of FIT uImages" - depends on FIT + depends on DM select RSA help This option enables signature verification of FIT uImages, - using a hash signed and verified using RSA. - See doc/uImage.FIT/signature.txt for more details. + using a hash signed and verified using RSA. If + CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive + hashing is available using hardware, then the RSA library will use + it. See doc/uImage.FIT/signature.txt for more details. + + WARNING: When relying on signed FIT images with a required signature + check the legacy image format is disabled by default, so that + unsigned images cannot be loaded. If a board needs the legacy image + format support in this case, enable it using + CONFIG_IMAGE_FORMAT_LEGACY. + +config FIT_VERBOSE + bool "Show verbose messages when FIT images fail" + help + Generally a system will have valid FIT images so debug messages + are a waste of code space. If you are debugging your images then + you can enable this option to get more verbose information about + failures. + +config FIT_BEST_MATCH + bool "Select the best match for the kernel device tree" + help + When no configuration is explicitly selected, default to the + one whose fdt's compatibility field best matches that of + U-Boot itself. A match is considered "best" if it matches the + most specific compatibility entry of U-Boot's fdt's root node. + The order of entries in the configuration's fdt is ignored. + +config FIT_IMAGE_POST_PROCESS + bool "Enable post-processing of FIT artifacts after loading by U-Boot" + depends on TI_SECURE_DEVICE + help + Allows doing any sort of manipulation to blobs after they got extracted + from FIT images like stripping off headers or modifying the size of the + blob, verification, authentication, decryption etc. in a platform or + board specific way. In order to use this feature a platform or board- + specific implementation of board_fit_image_post_process() must be + provided. Also, anything done during this post-processing step would + need to be comprehended in how the images were prepared before being + injected into the FIT creation (i.e. the blobs would have been pre- + processed before being added to the FIT image). + +config SPL_FIT + bool "Support Flattened Image Tree within SPL" + depends on SPL + +config SPL_FIT_SIGNATURE + bool "Enable signature verification of FIT firmware within SPL" + depends on SPL_FIT + depends on SPL_DM + select SPL_RSA + +config SPL_LOAD_FIT + bool "Enable SPL loading U-Boot as a FIT" + help + Normally with the SPL framework a legacy image is generated as part + of the build. This contains U-Boot along with information as to + where it should be loaded. This option instead enables generation + of a FIT (Flat Image Tree) which provides more flexibility. In + particular it can handle selecting from multiple device tree + and passing the correct one to U-Boot. + +config SPL_FIT_IMAGE_POST_PROCESS + bool "Enable post-processing of FIT artifacts after loading by the SPL" + depends on SPL_LOAD_FIT && TI_SECURE_DEVICE + help + Allows doing any sort of manipulation to blobs after they got extracted + from the U-Boot FIT image like stripping off headers or modifying the + size of the blob, verification, authentication, decryption etc. in a + platform or board specific way. In order to use this feature a platform + or board-specific implementation of board_fit_image_post_process() must + be provided. Also, anything done during this post-processing step would + need to be comprehended in how the images were prepared before being + injected into the FIT creation (i.e. the blobs would have been pre- + processed before being added to the FIT image). + +endif # FIT + +config OF_BOARD_SETUP + bool "Set up board-specific details in device tree before boot" + depends on OF_LIBFDT + help + This causes U-Boot to call ft_board_setup() before booting into + the Operating System. This function can set up various + board-specific information in the device tree for use by the OS. + The device tree is then passed to the OS. + +config OF_SYSTEM_SETUP + bool "Set up system-specific details in device tree before boot" + depends on OF_LIBFDT + help + This causes U-Boot to call ft_system_setup() before booting into + the Operating System. This function can set up various + system-specific information in the device tree for use by the OS. + The device tree is then passed to the OS. + +config OF_STDOUT_VIA_ALIAS + bool "Update the device-tree stdout alias from U-Boot" + depends on OF_LIBFDT + help + This uses U-Boot's serial alias from the aliases node to update + the device tree passed to the OS. The "linux,stdout-path" property + in the chosen node is set to point to the correct serial node. + This option currently references CONFIG_CONS_INDEX, which is + incorrect when used with device tree as this option does not + exist / should not be used. config SYS_EXTRA_OPTIONS string "Extra Options (DEPRECATED)" - depends on !SPL_BUILD help The old configuration infrastructure (= mkconfig + boards.cfg) provided the extra options field. If you have something like @@ -139,23 +284,39 @@ config SYS_EXTRA_OPTIONS new boards should not use this option. config SYS_TEXT_BASE - depends on SPARC || ARC + depends on SPARC || ARC || X86 || ARCH_UNIPHIER || ARCH_ZYNQMP || \ + (M68K && !TARGET_ASTRO_MCF5373L) || MICROBLAZE || MIPS || \ + ARCH_ZYNQ + depends on !EFI_APP hex "Text Base" help TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture + config SYS_CLK_FREQ - depends on ARC + depends on ARC || ARCH_SUNXI int "CPU clock frequency" help TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture +config ARCH_FIXUP_FDT_MEMORY + bool "Enable arch_fixup_memory_banks() call" + default y + help + Enable FDT memory map syncup before OS boot. This feature can be + used for booting OS with different memory setup where the part of + the memory location should be used for different purpose. + endmenu # Boot images -source "arch/Kconfig" +source "api/Kconfig" source "common/Kconfig" +source "cmd/Kconfig" + +source "disk/Kconfig" + source "dts/Kconfig" source "net/Kconfig" @@ -165,3 +326,7 @@ source "drivers/Kconfig" source "fs/Kconfig" source "lib/Kconfig" + +source "test/Kconfig" + +source "scripts/Kconfig"